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5531430 = 235473923
BaseRepresentation
bin10101000110011100100110
3101102000200210
4111012130212
52404001210
6314320250
765005422
oct25063446
911360623
105531430
113138933
121a29086
1311b8948
14a3db82
15743e20
hex546726

5531430 has 32 divisors (see below), whose sum is σ = 13561344. Its totient is φ = 1443296.

The previous prime is 5531371. The next prime is 5531437. The reversal of 5531430 is 341355.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5531397 and 5531406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (423792).

Almost surely, 25531430 is an apocalyptic number.

5531430 is an abundant number, since it is smaller than the sum of its proper divisors (8029914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5531430 is a wasteful number, since it uses less digits than its factorization.

5531430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 5531430 is about 2351.8992325353. The cubic root of 5531430 is about 176.8530172416.

Adding to 5531430 its reverse (341355), we get a palindrome (5872785).

The spelling of 5531430 in words is "five million, five hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 3923 7846 11769 19615 23538 39230 58845 117690 184381 368762 553143 921905 1106286 1843810 2765715 5531430